chevron had the biggest percentage loss among dow stocks. chevron did not make as much money has anticipated in the third quarter. earnings per share were well short of estimates. similar to exxon mobil, chevron also saw its production and fuel sales fall, hit by hurricane isaac in august, legal troubles in braziand a refiry fire in california. shares fell 2.8%, closing at their lowest price since july. two bright spots for chevron were its smaller refineries processing cheaper oil from montana and north dakota. meantime, chesapeake energy fell to a three month low, down 7.9%. the company has been trying to reduce its massive debt load. today the company said it may delay cutting its i.o.u.'s into 2013. the prospect of the delay was met with selling. you may have missed it but the ipad mini went on sale today. apple's newest product didn't have the usual hoopla. still, analyst expect apple to sell one million or more of the devices during its first weekend on the market. apple stock continued its sell- off that began in the days after its ip